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来源:雅诚德英语网
There are numerous high buildings, heavy traffic, and dense population in modern cities.
现代都市到处高楼耸立,交通拥挤,人口稠密。
There are numerous high buildings, heavy traffic, and dense population in modern cities.
现代都市到处高楼耸立,交通拥挤,人口稠密。